cmake_minimum_required(VERSION 3.18)
project(MessageDemo LANGUAGES CXX)

message("begin CMakeLists.txt")
message(STATUS "begin CMakeLists.txt")
message(STATUS "1" "2" "3")
message(STATUS "123")
# message(WARNING "this is a WARNING")
# message(SEND_ERROR "this is a SEND_ERROR")
message(FATAL_ERROR "this is a FATAL_ERROR")
message(STATUS "end CMakeLists.txt")
